php_network_getaddresses: getaddrinfo failed: Name or service not known

FILE: /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Db.class.php 　LINE: 206

[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Db.class.php (206) DbMysql->connect(Array, 0)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Db.class.php (159) Db->multiConnect()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Driver/Db/DbMysql.class.php (94) Db->initConnect()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Driver/Db/DbMysql.class.php (213) DbMysql->query(SHOW COLUMNS FROM `chongzhi_zongshu`)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Model.class.php (135) DbMysql->getFields(chongzhi_zongshu)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Model.class.php (123) Model->flush()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Model.class.php (1174) Model->_checkTableInfo()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Model.class.php (98) Model->db(0, )
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Common/common.php (294) Model->__construct(chongzhi_zongshu, , )
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/Student/Yh/Lib/Action/PublicAction.class.php (174) M(chongzhi_zongshu)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/Student/Yh/Lib/Action/IndexAction.class.php (147) PublicAction->getMyAccount()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Action.class.php (57) IndexAction->_initialize()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/Student/Yh/Lib/Action/PublicAction.class.php (5) Action->__construct()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Common/common.php (321) PublicAction->__construct()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/App.class.php (138) A(Index)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/App.class.php (243) App::exec()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Lib/Core/Think.class.php (43) App::run()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/Common/runtime.php (242) Think::start()
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/ThinkPHPSite/ThinkPHP.php (44) require(/www/wwwroot/wew100/chuzhong/ThinkPHPSite/Common/runtime.php)
[26-04-03 16:42:04] /www/wwwroot/wew100/chuzhong/Student/index.php (19) require(/www/wwwroot/wew100/chuzhong/ThinkPHPSite/ThinkPHP.php)